American Cancer Society essentially endorses vaping for tobacco harm reduction

In its evaluation of carcinogenic and toxicity risks associated with conventional prescription medications, alcohol, combustible tobacco, and vaping products, the ACS (American Cancer Society) determined that vaping is by far the safest. On the other hand, cigarette smoke is laced with about 70 different carcinogens and a whopping 7,000 needlessly-added chemicals of varying toxicities and addictive qualities.

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Cahn McKenzie